ATTO Technology S-Class manual Configuring Drives, Jbod Just a Bunch of Disks, RAID Level

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6.0 Configuring Drives

The Diamond Storage Array can be configured as a JBOD, RAID Level 0, RAID Level 1, RAID Level 10 or RAID Level 5 array. Its default is JBOD. RAID is a storage configuration which uses multiple disk drives to increase capacity, performance and/or reliability.

You may configure your Diamond Storage Array in several different ways depending on your needs although the Diamond makes some choices for your. The following elements must be considered when you are configuring your Diamond.

•RAID level

•Interleave

•Hot Spares option

Using the ExpressNAV browser-based interface is the easiest way to set up your Diamond. You may also use the Command Line Interface commands.

CAUTION

Changing these parameters causes all previous drive data on the Diamond Storage Array to be erased. Make sure you back up all information before setting up a different configuration.

JBOD (Just a Bunch of Disks)

JBOD (Just a Bunch of Disks) configuration, the default for the Diamond Storage Array, allows many individual disk drives to be available for normal storage operations. A JBOD configuration allows you to access each disk drive in the array independently. Any action you can do to a normal disk drive can be performed on any disk in the JBOD.

RAID Level 0

RAID Level 0 (striping) is based on the fact that increased disk performance can be achieved by simultaneously accessing data across multiple disk drives in an array. This arrangement increases data transfer rates while reducing average access time by overlapping drive seeks. RAID Level 0 groups provide data that is striped across several drives. RAID Level 0 is pure striping, without redundancy, meaning there is no

data protection. If one disk fails, all data within that stripe set is lost.

RAID Level 0 is used by applications requiring high performance for non-critical data.

The QuickRAID0 command, accessed through the CLI, allows a simple, fast, out-of-the-box setup of the array into evenly-sized RAID Level 0 stripe groups.

RAID Level 1

RAID Level 1 (mirroring) ensures the security of data by writing the exact same data simultaneously to two or more different drives. This application is for users with critical data which cannot be lost or corrupted due to the failure of a single drive.

With RAID Level 1, the host will see what it believes to be a single physical disk of a specific size: it does not know or care about the mirrored pair. The RAID controller manages where data is written and read, allowing one disk to fail without the host knowing it has failed. The array will send notification of the failure over the serial or Ethernet port and the fault LED will be illuminated. Service personnel can then replace the failed drive and initiate a rebuild.

RAID Level 1 is used in applications containing mission critical data. The QuickRAID1 command, accessed through the Command Line Interface, allows a simple, fast, out-of-the-box setup of the array into RAID Level 1 mirrored groups.

RAID Level 10

RAID Level 10 (mirroring with striping) increases data transfer rates while ensuring security by writing the exact same data simultaneously to two or more different drives.

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ATTO Technology Inc. Diamond Storage Array Installation and Operation Manual

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Contents Diamond Storage Array Class Page Page Contents In-band CLI Over the Fibre Channel Serial Port Configuration Commands Configuring Drives RAID Interleave Parameters Appendix D Specifications Vii Appendix E Warranty ViiiPreface Atto Technology, IncPage Diamond Storage Array features Diamond Storage Array Product OverviewFibre Channel model Scsi modelAdxt Powers ATA to New Levels Diamond Storage Array Technical OverviewATA Interface Engine AIE The interface to each Installation Instructions Physical setupSet up the Ethernet connection Connect to EthernetSet up RAID configuration Components Floor modelRack mount Components Physical Set Up Spaced rail pairs in some rackmount cabinetsRack mount cabinets with stationary shelf or tray Sliding shelf or tray type systems should neverGeneral instructions Connecting a Fibre Channel Array AutoconfigurationManual configuration Fibre Channel connections Connecting a Scsi Array To connect a Scsi arrayBus speed, MB/sec Bus width Max. bus lengths Max. device BitsScsi connections Determining Drive and Sled Designations Physical numberingLogical numbering Numbering conventionsExamples Unique serial number for each LUNRAID Level 10 QuickRAID10 The QuickRAID10 RAID Level 5 QuickRAID5 with a fullyAccessing the Array Command Line InterfaceAtto ExpressNAV RS-232 portSnmp In-band CLI Over the Fibre Channel DetailsInitiator Host Diamond Array Invalidparameterincdb will be returned Initiator/Host Diamond Storage ArraySerial Port Access Serial port access Ethernet Access Telnet and Snmp Protocols To connect to the Ethernet portTo use Telnet To use SnmpType SaveConfiguration restart to reboot the array Traps are generated for the following situationsAtto ExpressNAV Browser-based Interface Browser compatibilityOpening an ExpressNAV session Navigating ExpressNAVInformation Sidebar ExpressNAV Pages Configuration Clear DataLogical Units RebuildCommand Line Interface Use and Guidance Command Line Interface actions and responsesPage Summary of CLI Commands Command Defaults ExampleCommand Defaults Example General Use Commands General CLI commands Ethernet Commands TelnetPassword TelnetTimeoutTelnetUsername Fibre Channel Configuration Commands FcPortInfo FcPortListFcPortName FcWWNameSerial Port Configuration Commands SerialPortBaudRateSerialPortHandshake SerialPortEchoSerial port CLI commands Diagnostic Commands SledFaultLED TemperatureSMARTData VirtualDriveInfoMaintenance Commands FcScsiBusyStatusMaxEnclTempAlrm MinEnclTempAlrmMaintenance CLI commands Drive Configuration Commands DriveWipe IdeTransferRateLUNState QuickRAID0RestoreModePages RAID5ClearDataRAID5ClearDataStatus RAIDInterleaveExamples, refer to Information Commands Results on Configuring Drives Jbod Just a Bunch of DisksRAID Level Interleave Hot Spare sledsEnhancing performance To set up the Jbod configuration JbodJbod RAID Level Sled-based versus disk-basedTo remove RAID Level 0 groups LUNs virtual drive numbersPage Page To set up RAID Level 1 groups Type SaveConfigurationType SaveConfiguration Storage Management To remove RAID groupsTo set up RAID Level 1 with Hot Spare sleds Type set QuickRAID 1Configuring a fully-populated array To set up RAID Level 5 groupsTo set up one RAID Level 5 group with one Hot Spare sled Type set QuickRAID5 1 Type SaveConfiguration Restart To set up two RAID Level 5 groups with two Hot Spare sledsType set QuickRAID5 2 Type SaveConfiguration Restart LUN Type set QuickRAID5 ALL Type SaveConfiguration Restart Removing RAID groupsTo set up RAID Level 10 groups Type set QuickRAID10 0 1 2To set up RAID Level 10 with Hot Spare sleds Type set QuickRAID10 1 Type SaveConfiguration RestartRebuilding RAID Configurations Set AutoRebuild disabled saveconfiguration restart To synchronize mirrored drives manuallyRAID Interleave Parameters To change the RAID Interleave parameterRAID interleave Hardware Maintenance Maintenance Hot Swap Operating Instructions Disk drivesPower supplies To replace a blower assemblyBlower assemblies Type set QuickRAID1 Type SaveConfiguration Restart Optional Hot Spare SledTo set up two RAID Level 5 groups with Hot Spare sleds Virtual Drive Hot Spare sledsProcedure Copying DrivesCopy drives Updating firmware using the RS-232 serial port Updating FirmwareCd c\diamond\flash Type put ....imaSystem Monitoring and Reporting Power supply monitoring System fault LED and error codesNumber of blinks Troubleshooting Windows 2000 special instructions Error messagesCommand Line Interface messages Specific situations and suggestions If LUNs do not display on the host Type FirmwareRestartResetting Defaults DefaultFactory Default To return to Default settingsCommand Default Reset if default Reset during Chosen Feature Fibre ChannelAppendix B Information Commands Results DriveInfo sled ID drive IDInfo all V80DTESCLUNInfo LUN LunInfoVirtualDriveInfo active planned Virtual Drive ID VirtualDriveInfoSafety compliances EMC specifications Radio and television interferenceRack mount dimensions Floor mount dimensionsEnvironmental and physical Manufacturer limited warranty Contact Atto Technology, Inc

S-Class specifications

ATTO Technology S-Class is a comprehensive solution designed to optimize storage and networking performance for digital content creation and enterprise environments. This product line specializes in high-performance connectivity, facilitating seamless data transfer and management.

One of the key features of the S-Class is its advanced RAID (Redundant Array of Independent Disks) capabilities. This incorporates various levels of RAID configurations, enabling users to choose the right balance between performance and redundancy. The technology ensures data integrity while maximizing throughput, a crucial aspect for workflows dealing with large files such as video editing and graphic design.

Another standout characteristic of the S-Class is its support for high-speed interfaces, including Thunderbolt and Fibre Channel. With the ability to leverage these high-bandwidth connections, users can achieve exceptional data transfer rates that significantly reduce the time required for file uploads and transfers. This is particularly important in environments demanding real-time data access, such as broadcasting and production studios.

The S-Class also incorporates intelligent storage management features. The ATTO ConfigTool offers a user-friendly interface for monitoring and configuring storage settings, allowing for real-time adjustments and performance tuning. This ensures that users can effectively manage their storage resources, balancing capacity and performance according to their specific needs.

Furthermore, the technology employs a robust set of data protection mechanisms, including snapshot and backup capabilities. This ensures that critical data is safeguarded against potential loss, enhancing operational reliability. The integration of these features supports comprehensive workflow solutions, benefiting industries that require continuous access to high-volume data.

Lastly, the S-Class is built to integrate seamlessly with popular operating systems and platforms, providing versatility and ease of deployment. Whether used in a small studio or a large enterprise environment, ATTO Technology's S-Class stands out as a solution that combines speed, reliability, and manageable performance, making it a top choice for professionals who demand the best in their storage and network infrastructure.

In summary, ATTO Technology S-Class is not just a storage solution; it's a gateway to unlocking peak performance in data management, tailored for the challenges of today’s data-driven landscape.
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